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Authors
Muehlbauer, Thomas http://orcid.org/0000-0001-7774-8664
Voigt, Hagen
Brueckner, Dennis
Beurskens, Rainer
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Article History
Received: 24 November 2021
Accepted: 11 April 2022
First Online: 5 May 2022
Declarations
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: Ethical permission was given by the Human Ethics Committee at the University of Duisburg-Essen, Faculty of Educational Sciences. All procedures performed were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from all participants included in this study.
: Not applicable.
: The authors declare that they have no competing interests.
